Illuminated tiles for vaults, &amp;c.



y J. J, LAWLBR. ILLUMNATED TILES FOR VAULTS, (Vm. APPLICATION' FILEDTUNE 1, 1912.

LMWL@ Patented. May 26,1914.

ma wko@ WWA/@mast 532313 bis @Hwang v Ssting of metal he 'ing' ofconcrete bei;

having Jiheir lower edges rectanguengegng each adjacent ef eeneretebetween the l reaned theen by the terol' and extero bese, the EoWel'edle of tangulmy "hupe L' engagcn'leui; W adjaceni' unit, a g esng o".Srff shoulder, :l yConcrete 1'; and Hush with the sul" Series ofl'euioremk eoncree and means tight joint bei holder.

Vault light struetuye emnpesed 0I a eues of units, each unit -53e-A d oeet mea. and having a bend e well et substantia right angles to -f eninte/'fier and exterior Shoulder point en 'the Wal, each unit have l;end arng outwardly and be- 11g-aging meh ajacent unie, a lens Upon then'temal shoulders, and a te beween the adjacent units a the externalshoulders.

ew York ety in the county Yew York this 29th day of inte ol should@7 eemlum. portlen neeoi" bei] Shep Whldl engage eech ad' carried by each com;@5L of a 'Series Ude! flh interior :mn GREENBAUM, e suppm'ted by CueDEIMPSEY.

he ngulalysmped, the bottom edge

